Update cheatsheets

tldr/kubectl-certificate

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# kubectl certificate
+
+> Manage certificate signing requests.
+> More information: <https://kubernetes.io/docs/reference/kubectl/generated/kubectl_certificate>.
+
+- Approve a certificate signing request by name:
+
+`kubectl certificate approve {{csr_name}}`
+
+- Deny a certificate signing request by name:
+
+`kubectl certificate deny {{csr_name}}`
+
+- Approve a certificate signing request defined in a manifest file:
+
+`kubectl certificate approve --filename {{path/to/csr.yaml}}`
+
+- Deny a certificate signing request defined in a manifest file:
+
+`kubectl certificate deny --filename {{path/to/csr.yaml}}`
+
+- Force reapproval of a certificate signing request that was previously denied:
+
+`kubectl certificate approve --force {{csr_name}}`